Perhaps I missed it somewhere in this thread but I assume new 2012 M3's are delivered with the 231E software. What is the cutoff going backwards of cars delivered with this software upgrade?
"what I'm driving here...is an ending." Jeremy Clarkson
2011 Alpine White BMW M3 6mt ZCP Coupe
2008 Alpine White BMW 328i 6mt Coupe (retired 06/21/11)